---
title: "Changes to Register a pre-existing OAuth client (DCR fallback)"
method: POST
path: "/api/mcp-oauth/{mcpServerId}/manual-client"
---

# Changes to Register a pre-existing OAuth client (DCR fallback)

`POST /api/mcp-oauth/{mcpServerId}/manual-client`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 534 revisions.

- **2026-08-10** `df25dc580a56`: 1 info
- **2026-08-07** `06cac6a7c5bc`: 3 info
- **2026-04-22** `dd8dd2222408`: 1 info

## Changes

- **2026-08-10** `df25dc580a56`: 1 info
  - added the new optional request property `tokenEndpointAuthMethod`
- **2026-08-07** `06cac6a7c5bc`: 3 info
  - added the media type `application/json` for the response with the status `200`
  - added the media type `application/json` for the response with the status `400`
  - added the media type `application/json` for the response with the status `404`
- **2026-04-22** `dd8dd2222408`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/docs/api/mcp-oauth/:mcpServerId/manual-client/post.md) - [API](https://skmtc.dev/desplega-ai/apis/agent-swarm-api.md) - [Page](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/changes/api/mcp-oauth/:mcpServerId/manual-client/post)